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Fix PR python/17981

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PR python/17981 notes that gdb.breakpoints() returns None when there
are no breakpoints; whereas an empty list or tuple would be more in
keeping with Python and the documentation.

This patch fixes the bug by changing the no-breakpoint return to make
an empty tuple.

Built and regtested on x86-64 Fedora 23.

2016-05-23  Tom Tromey  <tom@tromey.com>

	PR python/17981:
	* python/py-breakpoint.c (gdbpy_breakpoints): Return a new tuple
	when there are no breakpoints.

2016-05-23  Tom Tromey  <tom@tromey.com>

	* python.texi (Basic Python): Document gdb.breakpoints return.

2016-05-23  Tom Tromey  <tom@tromey.com>

	PR python/17981:
	* gdb.python/py-breakpoint.exp (test_bkpt_basic): Add test for
	no-breakpoint case.
This commit is contained in:
Tom Tromey
2016-05-18 21:41:28 -06:00
parent 224f10c1ae
commit 1957f6b89f
6 changed files with 26 additions and 4 deletions
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5
gdb/testsuite/gdb.python/py-breakpoint.exp
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@ -34,12 +34,15 @@ proc test_bkpt_basic { } {
# Start with a fresh gdb.
clean_restart ${testfile}
# We should start with no breakpoints.
gdb_test "python print (gdb.breakpoints())" "\\(\\)"
if ![runto_main] then {
fail "Cannot run to main."
return 0
}
# Initially there should be one breakpoint: main.
# Now there should be one breakpoint: main.
gdb_py_test_silent_cmd "python blist = gdb.breakpoints()" \
"Get Breakpoint List" 0
gdb_test "python print (blist\[0\])" \